Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane
C9H21O2PS3
tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane
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Identification
- CAS Number
- 13071-79-9
- EC Number
- 235-963-8
- UN Number
- 3018
- Index Number
- 015-139-00-2
- PubChem CID
- 25670
Physical-chemical properties
- Molecular Formula
- C9H21O2PS3
- Molar Mass
- 288.40 g/mol
- IUPAC Name
- tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane
Chemical Identifiers
- InChI
- InChI=1S/C9H21O2PS3/c1-6-10-12(13,11-7-2)15-8-14-9(3,4)5/h6-8H2,1-5H3
- InChI Key
- XLNZEKHULJKQBA-UHFFFAOYSA-N
Overview
tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane (CAS 13071-79-9) is an organophosphorus compound with multiple sulfur functionalities and high acute toxicity classification. This specialized organophosphorus compound represents a unique chemical structure combining phosphorus-sulfur bonds with ethoxy substituents and tert-butyl groups. With its molecular formula C9H21O2PS3 and molecular weight of 288.4 g/mol, this lambda5-phosphane derivative exhibits distinctive chemical properties derived from its multiple sulfanyl groups and diethoxy phosphorus center. The compound's complex structure places it within the broader family of organophosphorus sulfur compounds, sharing certain characteristics with related substances such as diethoxy-(4-methylsulfinylphenoxy)-sulfanylidene-lambda5-phosphane and chloromethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane. The substance presents significant safety considerations, classified under Acute Toxicity categories 1 and 2, requiring the "Danger" signal word and GHS06 skull and crossbones pictogram. Additionally, its environmental impact classification includes Aquatic Acute 1 and Aquatic Chronic 1, necessitating the GHS09 environmental hazard pictogram. Transportation regulations classify it under ADR Class 6.1 for toxic substances, reflecting its hazardous nature and requiring specialized handling protocols. Primary industrial applications include use as a specialized reagent in organophosphorus chemistry, particularly in research and development of phosphorus-sulfur compounds. The compound also finds application in advanced chemical synthesis processes and as an intermediate in the production of specialized organophosphorus materials. Its unique structural features make it valuable for specific chemical transformations requiring both phosphorus and multiple sulfur functionalities. OYSI maintains availability of tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane through its European distribution network, supporting clients with technical documentation and regulatory compliance guidance.
Safety & Classification
Acute Tox. 1; Acute Tox. 2 *; Aquatic Acute 1; Aquatic Chronic 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Skin Contact
Measures if substance contacts the skin
First Aid Actions
- +P302IF ON SKIN:
- +P352Wash with plenty of water.
- +P361Take off immediately all contaminated clothing.
- +P313Get medical advice/attention.
Related hazard statements:
Ingestion
Measures if substance is accidentally swallowed
First Aid Actions
- +P301IF SWALLOWED:
- +P330Rinse mouth.
- +P331Do NOT induce vomiting.
- +P310Immediately call a POISON CENTER/doctor.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 3018 |
| ADR Class | 6.1 |
| Packing Group | I |
| Tunnel Code | C/E |
| Proper Shipping Name | Terbufos (ISO) |
| Marine Pollutant | No |
Frequently Asked Questions
What is tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane is an organophosphorus compound with the molecular formula C9H21O2PS3 and CAS number 13071-79-9. This chemical substance has a molecular weight of 288.4 g/mol and contains multiple sulfur atoms along with phosphorus, making it part of the phosphorothioate family. It is classified as highly toxic and environmentally hazardous, requiring specialized handling procedures for safe use in industrial applications.
What are the physicochemical properties of tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane is an organophosphorus compound with a molecular weight of 288.4 g/mol and the molecular formula C9H21O2PS3. The presence of multiple sulfur atoms and ethoxy groups suggests it is likely a liquid or viscous substance at room temperature. Due to its organophosphorus nature and sulfur content, it may exhibit a characteristic odor and limited water solubility, being more compatible with organic solvents.
What is tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane used for?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane is primarily used as a specialized chemical intermediate in organic synthesis and pharmaceutical research. Its organophosphorus structure makes it valuable for developing pesticides, flame retardants, or other specialty chemicals. Given its high toxicity classification, it is typically employed in controlled industrial settings for advanced chemical manufacturing processes rather than consumer applications, requiring specialized expertise and safety protocols.
How to handle tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane safely?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane requires extreme caution due to its Acute Tox. 1 and 2 classifications. Always wear full protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection in well-ventilated areas or under fume hoods. Avoid skin contact, inhalation, and ingestion completely. Work in designated areas with emergency shower and eyewash stations readily available. Only trained personnel should handle this substance following strict safety protocols.
How to store tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane correctly?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane must be stored in a secure, temperature-controlled chemical storage area with restricted access. Keep containers tightly sealed in original packaging, away from heat sources, oxidizing agents, and incompatible materials. Due to its high toxicity and environmental hazard classification, storage requires secondary containment, proper ventilation, and compliance with local hazardous material regulations. Regular container inspections and proper labeling are essential for safe storage.
What to do in case of contact with tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane?
Immediate action is critical due to the substance's high toxicity classification. For skin contact, remove contaminated clothing and rinse affected area with copious amounts of water for at least 15 minutes. If inhaled, move to fresh air immediately. For eye contact, flush with water for 15 minutes while holding eyelids open. In all cases, seek immediate medical attention and provide safety data sheet to medical personnel. Never induce vomiting if ingested.
How to dispose of tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane appropriately?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane requires specialized hazardous waste disposal due to its high toxicity and environmental hazard classifications. Contact licensed hazardous waste disposal companies for proper treatment and destruction. Never dispose of this substance through regular waste streams, sewers, or soil. All contaminated materials, containers, and protective equipment must be treated as hazardous waste. Follow local and European regulations for hazardous chemical waste management.
How to transport tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane is classified under ADR Class 6.1 (Toxic substances) Packing Group I, indicating the highest level of toxicity for transport purposes. Transportation requires specialized dangerous goods packaging, proper labeling with GHS06 and GHS09 pictograms, and documentation compliant with ADR regulations. Only authorized carriers trained in hazardous materials transport should handle shipments, using appropriate emergency response procedures and route planning.
Is tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane subject to specific regulations?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane is subject to comprehensive European chemical regulations including REACH registration requirements and CLP classification as a highly toxic substance. While not currently listed as an SVHC (Substance of Very High Concern), its Acute Toxicity 1 and environmental hazard classifications impose strict handling, storage, and disposal obligations. Companies must ensure proper risk assessments, safety data sheets, and worker protection measures are implemented according to EU legislation.
Where to buy tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane in Europe?
Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane is available through specialized chemical distributors like OYSI, a European supplier of technical chemicals. Due to its high toxicity classification and regulatory requirements, purchases are restricted to qualified industrial users with appropriate safety infrastructure and expertise. Buyers must provide proper documentation, safety protocols, and intended use information. Contact OYSI directly to discuss availability, technical specifications, and compliance requirements for this controlled chemical substance.
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Tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane is a dangerous good. We support you with labeling, packaging, and transport documentation.
Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.